@book{88105,
	author = {Senior, Nassau William,},
	title = {Four Introductory Lectures on Political Economy},
	publisher = {Project Gutenberg,},
	year = {2014},
	address = {Salt Lake City, UT :},
	note = {Release date is 2014-11-02},
	url = {https://www.gutenberg.org/ebooks/47266}
}